Not a true volte phone
look is same as of samsung galaxy s6 edge
sound is low if you playing songs and watching video
battery backup is also not good
heat problem while downloading and playing games
hybrid sim system i.e either you put memory card or sim card in second slot
camera quality is not good as compare to apple product
you can buy apple iphone 7 buy adding some amount
security is also not good as compare to apple iphones
heating problem also occurs during charging
non removable battery if sometimes your phone hang you cant remove battery
featues is same as of other phone but new feature is of gear box but you dont enjoy watch movie in gear box because of picture quality in gear box is not good
no extra feature is added
does not root easily
you can buy any other smartphone at this range or below this range with same features
I hope you understand